Controlling blood sugar has become a part of the life of diabetics. During the day, fasting blood sugar before breakfast is the most important. Our fasting blood sugar here refers to the blood sugar measured by not eating breakfast in the morning, which is the basic blood sugar for the whole day. For example, a house must lay a good foundation. Whether it is well controlled or not is related to the blood sugar level for a day. Generally speaking, fasting blood glucose measured by finger blood should be controlled at 4.4 ~ 7.0 mmol/L, and the upper limit for elderly patients can be relaxed to 8.0 ~ 9.0 mmol/L, exceeding the upper limit of this range is considered to Read More …